pop up

HTML

<input data-target="#modal-window" data-toggle="modal" type="submit" value="окно просмотра фото">


<div id="mask" style="display:none;"></div>

<div class="modal fade" id="modal-window" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">
    <div class="modal-dialog">
    <div class="close_box"><button aria-label="Close" data-dismiss="modal" class="close" type="button">×</button></div>
		Поп ап
    </div>
</div>

CSS

.modal-open {
    overflow: hidden;
}
.modal {
    display: none;
    overflow: hidden;
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 1050;
    -webkit-overflow-scrolling: touch;
    outline: 0;
}
.modal.fade .modal-dialog {
    -webkit-transform: translate(0, -25%);
    -ms-transform: translate(0, -25%);
    -o-transform: translate(0, -25%);
    transform: translate(0, -25%);
    -webkit-transition: -webkit-transform 0.3s ease-out;
    -o-transition: -o-transform 0.3s ease-out;
    transition: transform 0.3s ease-out;
}
.modal.in .modal-dialog {
    -webkit-transform: translate(0, 0);
    -ms-transform: translate(0, 0);
    -o-transform: translate(0, 0);
    transform: translate(0, 0);
}
.modal-open .modal {
    overflow-x: hidden;
    overflow-y: auto;
}
.modal-dialog {
    position: relative;
    width: auto;
    margin: 0;
	background: #fff;
}
.modal-content {
    position: relative;
    background-color: #ffffff;
	overflow:hidden;
    /*border: 1px solid #999999;
    border: 1px solid rgba(0, 0, 0, 0.2);*/
    border-radius: 6px;
    -webkit-box-shadow: 0 3px 9px rgba(0, 0, 0, 0.5);
    box-shadow: 0 3px 9px rgba(0, 0, 0, 0.5);
    -webkit-background-clip: padding-box;
    background-clip: padding-box;
    outline: 0;
}
.modal-backdrop {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 1040;
    background-color: #000000;
}
.modal-backdrop.fade {
    opacity: 0;
    filter: alpha(opacity=0);
}
.modal-backdrop.in {
    opacity: 0.5;
    filter: alpha(opacity=50);
}
.modal-header {
    padding: 15px;
    border-bottom: 1px solid #e5e5e5;
    min-height: 16.42857143px;
}
.modal-header .close {
    margin-top: -2px;
	margin-left: 10px;
}
.modal-title {
    margin: 0;
    line-height: 1.42857143;
}
.modal-body {
    position: relative;
    padding: 15px;
}
.modal-footer {
    padding: 15px;
    text-align: right;
    border-top: 1px solid #e5e5e5;
}
.modal-footer .btn + .btn {
   ...

JavaScript

/* ========================================================================
 * Bootstrap: modal.js v3.3.4
 * http://getbootstrap.com/javascript/#modals
 * ========================================================================
 * Copyright 2011-2015 Twitter, Inc.
 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
 * ======================================================================== */


+function ($) {
  'use strict';

  // MODAL CLASS DEFINITION
  // ======================

  var Modal = function (element, options) {
    this.options             = options
    this.$body               = $(document.body)
    this.$element            = $(element)
    this.$dialog             = this.$element.find('.modal-dialog')
    this.$backdrop           = null
    this.isShown             = null
    this.originalBodyPad     = null
    this.scrollbarWidth      = 0
    this.ignoreBackdropClick = false

    if (this.options.remote) {
      this.$element
        .find('.modal-content')
        .load(this.options.remote, $.proxy(function () {
          this.$element.trigger('loaded.bs.modal')
        }, this))
    }
  }

  Modal.VERSION  = '3.3.4'

  Modal.TRANSITION_DURATION = 300
  Modal.BACKDROP_TRANSITION_DURATION = 150

  Modal.DEFAULTS = {
    backdrop: true,
    keyboard: true,
    show: true
  }

  Modal.prototype.toggle = function (_relatedTarget) {
    return this.isShown ? this.hide() : this.show(_relatedTarget)
  }

  Modal.prototype.show = function (_relatedTarget) {
    var that = this
    var e    = $.Event('show.bs.modal', { relatedTarget: _relatedTarget })

    this.$element.trigger(e)

    if (this.isShown || e.isDefaultPrevented()) return

    this.isShown = true

    this.checkScrollbar()
    this.setScrollbar()
    this.$body.addClass('modal-open')

    this.escape()
    this.resize()

    this.$element.on('click.dismiss.bs.modal', '[data-dismiss="modal"]', $.proxy(this.hide, this))

   ...